someone who pets there hair in a forward direction to the left with there right hand, causing a combover / emo effect with there hair, the hair will over time become stuck like this. A petter will also pet non-stop without even knowing it and continue to pet even after being yelled at several times. Petters will also barge into your house at ridiculous times of the day and proceed to open your fridge and take whatever he or she pleases, without even considering your opinon or thoughts. Petters will anger everyone around them and cause great Arguements with friends and family, Destroying all hopes and dreams. Petters will end up with dead-end jobs and get nowhere in life